Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation

<div>The results of the IC1 component separated by the VMD-FastICA method. (a) Time-domain waveform of IC1. (b) Fourier spectrum of IC1. (c) Hilbert spectrum of IC1. (d) Continuous wavelet transform of IC1.</div>

Shock and Vibration

fig17

Figure 17

Figure 17: Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation 

Figure 17 | Acoustics Source Identification of Diesel Engines Based on Variational Mode Decomposition, Fast Independent Component Analysis, and Hilbert Transformation 